XGY   Grimsby Mountain, ON
Weather Observed At   43-11  N    79-34  W
 
================
  2026-10-20 5:30pm Max
Min
  Weather




  Temperature
12.3 °C
15.9 °C
  1:15pm
8.9 °C
  4:54am
  Relative Humidity
72 %
92 %
  7:45am
63 %
 12:11pm
  Dew Point
7.4 °C
10.0 °C
  8:30am
7.2 °C
 12:00am
  Wind Velocity
55 ° at  1.2 G 7.8 kt
14.8 kt
 12:42pm

  Pressure
    30.396 " 
30.447 "
 12:10pm
30.358 "
  1:10am
  Rainfall Rate
0.0 mm/h 0.2 mm/h
  8:00am

  Snow On Ground 0 cm

  Brightness / Darkness   19 W/m² /  0.00 m/"² 592 W/m²
  1:04pm
  20.09 m/"²    2:05am
  Remarks
 
  RainfallToday
0.2 mm
Storm Total
0.0 mm
  SnowfallToday
0.0 cm
Storm Total
0.0 cm
  Evapotranspiration Today
-2.06 mm


  Lake Conditions
  Water Temperature  14.9 °C
  Waves  2½ '
ICE FREE

  Meteor Index
31   Orionids
  Aurora Index / Solar
24   Unsettled   - 4 nT   Solar Flux   121  sfu  /   S 0    G 0    R 0   /  MUF   27.4 MHz
  Sunrise 7:38am
  Sunset 6:27pm

  Moonrise N/A
  Moonset N/A
  Moon Phase Waxing Gibbous

Grimsby Mountain Weather Maps
Local Regional Area Synoptic

     
updated H+09 and every 10m updated H+19 and H+49
updated H+19

Ontario 6-Hour Meteorological Summary
Canadian 6-Hour Meteorological Summaries

CLIMAT Data
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Sky Quality (Darkness) Meter courtesy of  www.Unihedron.com
              

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EOF